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Finding the Fourth Proportional to 245,617.20, 368,620.20 and 95,929.20

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Solution

The fourth proportional to 245,617.20, 368,620.20 and 95,929.20 is: 143,969.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,617.20 : 368,620.20 = 95,929.20 : x
  2. Step 2: Convert to fraction form
    245,617.20/368,620.20 = 95,929.20/x
  3. Step 3: Cross multiply
    245,617.20x = 368,620.20 × 95,929.20
  4. Step 4: Simplify right side
    245,617.20x = 35,361,440,889.84
  5. Step 5: Solve for x
    x = 35,361,440,889.84/245,617.20
  6. Step 6: Final answer
    x = 143,969.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.